Altera (ALTR)

Know all persons by these present, that each person whose
signature appears below constitutes and appoints Timothy R. Morse , his or her attorney-in-fact, with the full power of substitution, for him or her, in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K, and
to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-in-fact, or his or her substitute or substitutes, may do or
cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report on Form 10-K has
been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated:

Signature

Capacity in Which Signed

Date

/s/ JOHN P. DAANE

John P. Daane

President, Chief Executive Officer, and Director and Chairman of the Board of Directors (Principal

Know all persons by these present, that each person whose signature appears below constitutes and
appoints Timothy R. Morse , his or her attorney-in-fact, with the full power of substitution, for him or her, in any and all capacities, to sign any and all amendments to this Annual Report on Form 10-K, and to file the same, with exhibits thereto
and other documents in connection therewith, with the Securities and Exchange Commission, hereby ratifying and confirming all that said attorney-in-fact, or his or her substitute or substitutes, may do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report on Form 10-K has been signed below by the following persons on behalf of
the Registrant and in the capacities and on the dates indicated:

Signature

Capacity in Which Signed

Date

/s/ *

John P. Daane

President, Chief Executive Officer, and Director and Chairman of the Board of Directors (Principal Executive Officer)